# Darwin App vs Simplify fraction calculator

The clearest difference is in-app purchases: Darwin App at none against Simplify fraction calculator's 8. Darwin App also leads on iOS requirement (9.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Simplify fraction calculator sells 8 one-off in-app purchases. Darwin App asks for nothing beyond the download.

Darwin App ships an update every 6 weeks, Simplify fraction calculator every 4 weeks. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Darwin App | Simplify fraction calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (26 ratings)](https://appshunter.io/ios/app/simplify-fraction-calculator/id1268977111/reviews)** |
| Number of ratings | — | **26** |
| Positive reviews | — | 90.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 weeks** |
| Monetization | — | Free |
| Size | 1 MB | 179 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Garcia](https://appshunter.io/developer/967926151) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### Darwin App

[App page](https://appshunter.io/ios/app/darwin-app/id1248936797)

**Features:** macOS Compatibility

**In-app purchases:** none


### Simplify fraction calculator

[App page](https://appshunter.io/ios/app/simplify-fraction-calculator/id1268977111)

This educational tool simplifies fractions by showing every step of the calculation. It handles integers, decimals, and fractions, providing the simplest form and decimal value of the result. Solutions can be saved and shared.

**Highlights:** Step-by-step calculation display, Handles integers, decimals, and fractions, Shows simplest form, Displays decimal value, Saves solved fractions, Shareable solutions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| Remove Ads | $0.99 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Lifetime Access | $1.99 | one-time |


## Frequently asked questions

### Is Darwin App free?

Darwin App is free to download, with no in-app purchases.

### Is Simplify fraction calculator free?

Simplify fraction calculator is free to download, with in-app purchases available.

### Do Darwin App or Simplify fraction calculator have ads?

Neither Darwin App nor Simplify fraction calculator shows ads.

### Which is updated more often, Darwin App or Simplify fraction calculator?

Darwin App ships an update every 6 weeks, and Simplify fraction calculator every 4 weeks. Most recently, Darwin App was updated on November 2, 2026 and Simplify fraction calculator on November 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*